How to Grow ʻōhiʻa ʻai

iNaturalist

ʻōhiʻa ʻai

Syzygium malaccense

tree

ʻōhiʻa ʻai, also known as Malabar apple or mountain apple, is a tropical fruit tree native to Southeast Asia and widely cultivated throughout Hawaii and other tropical regions. It produces distinctive bell-shaped, crimson to deep red fruits with crisp, juicy white flesh and a mild, slightly sweet flavor. The tree is evergreen, ornamental, and culturally significant in Hawaiian cuisine and traditional practices.

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Example ʻōhiʻa ʻai timeline · Pittsburgh, PA (Zone 6b)

Plant ʻōhiʻa ʻai
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest ʻōhiʻa ʻai
Late summer into fall

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact ʻōhiʻa ʻai dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6-8 hours daily; tolerates partial shade but fruits more prolifically in full sun

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Water: Regular watering; keep soil consistently moist but not waterlogged. Requires adequate moisture during fruiting season. Drought-tolerant once established but performs better with regular watering in dry seasons.

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Spacing: 240 inches

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Days to maturity: 1095-1460

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Planting depth: Surface sowing or shallow planting at 0.25-0.5 inches; use fresh seeds or established transplants

Soil

Type: Well-draining, fertile loamy or sandy loam soil

pH: 5.5-7.0

Amendments:

Compost or aged manure Mulch (3-4 inches) Organic matter to improve drainage Fertilizer rich in potassium and phosphorus

Growing Zones

Find your zone →

Thrives in USDA zones 10b-12; best in tropical and subtropical climates with warm temperatures year-round

10b 11a 11b 12a 12b

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Growth Stages

Germination & Seedling

4-8 weeks

Seeds sprout within 2-4 weeks; seedlings develop oval cotyledons and true leaves. Young plants are tender and require protection.

Keep soil warm (75-85°F) and consistently moist. Provide bright, indirect light. Protect from strong winds and cold drafts.

Juvenile/Vegetative

1-3 years

Tree develops a sturdy main trunk and lateral branches with elongated, glossy dark green leaves. Growth is vigorous and upright.

Stake for support if needed. Apply slow-release fertilizer monthly during growing season. Prune to shape and promote branching. Water regularly.

Pre-flowering & Flowering

Flowers year-round in optimal climates; peak flowering varies by region

Small clusters of white, pink, or red flowers appear on branch tips and trunk. Flowers are 2-3 inches across with prominent stamens, followed by small green fruit development.

Maintain consistent watering. Apply balanced fertilizer (lower nitrogen). Avoid heavy pruning during flowering. Ensure adequate light for fruit set.

Fruit Development & Maturation

8-12 weeks from flowering to harvest

Fruits enlarge from pea-sized green berries to bell-shaped fruits 2-3 inches long, ripening to deep crimson or red. Flesh develops its characteristic crisp texture.

Maintain steady watering; inconsistent moisture can cause fruit drop or cracking. Thin fruits if excessive for larger individual fruits. Apply potassium-rich fertilizer.

Harvest & Production

Ongoing; trees remain productive for 30+ years

Mature tree (3-5+ years old) produces abundant crops. Fruits are hand-picked at full red color. Tree may bear fruit multiple times annually in tropical climates.

Harvest fruits when deep red and slightly soft to pressure. Handle gently to avoid bruising. Maintain tree health through regular pruning and fertilization for consistent production.

Companion Planting

Plan your garden →

Plant with:

Breadfruit Coconut Banana Papaya Guava Mango Nitrogen-fixing legumes

Avoid planting near:

Black walnut (allelopathic) Eucalyptus Highly competitive large trees

Common Pests

Remove fallen/damaged fruit promptly; use fruit bagging; apply organic traps with vinegar and yeast; maintain sanitation
Spray with horticultural oil or insecticidal soap; prune heavily infested branches; encourage natural predators
Spray with neem oil or insecticidal soap; manually remove affected areas; maintain plant vigor
Prune infected branches; sterilize tools between cuts; improve air circulation; remove severely affected trees if necessary
Ensure excellent drainage; avoid overwatering; apply fungicide if necessary; improve air circulation around base

Uses

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Fresh eating and traditional Hawaiian cuisine

Culinary

ʻōhiʻa ʻai is most commonly eaten fresh, served chilled with the crisp, juicy flesh providing a refreshing tropical snack. It has been a staple in Hawaiian diet for centuries and is featured in contemporary Hawaiian cooking. [source]

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Juices, desserts, and beverages

Culinary

The mild, sweet juice can be extracted and used in beverages, smoothies, jams, and desserts. The fruit's natural pectin makes it suitable for traditional preserves. [source]

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Traditional medicine and vitamin C source

Medicinal

In Hawaiian traditional medicine (lāʻau lapaʻau), ʻōhiʻa ʻai has been used to support digestive and overall health. The fruit is rich in vitamin C and antioxidants. [source]

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Ornamental and landscape tree

Household

The attractive form, glossy foliage, and showy flowers make ʻōhiʻa ʻai a valuable ornamental shade tree for tropical gardens and urban landscapes. [source]

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Wildlife habitat and native bird support

Wildlife

Flowers provide nectar for native Hawaiian birds (ʻapapane, amakihi) and pollinators. The tree supports local biodiversity in Hawaiian ecosystems. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Pick fruits when they reach full deep red or crimson color and feel slightly soft when gently squeezed; harvest by hand with a twisting motion or carefully cut with pruning shears. Fruits do not ripen significantly after picking, so harvest only fully mature fruits. Peak harvest occurs in summer months (May-August in Hawaii), though trees may produce year-round. Fruits are best consumed fresh within 2-3 days of harvest.

Fun Facts

🌱 ʻōhiʻa ʻai (Syzygium malaccense) is one of several important Syzygium species cultivated in Hawaii; it is distinct from native Hawaiian ʻōhiʻa lehua (Metrosideros polymorpha), though both are culturally significant
🌱 The bell-shaped fruits are sometimes called 'mountain apples' because they were introduced to Hawaii by early Polynesian settlers and became naturalized in the tropical islands
🌱 In Hawaiian tradition, ʻōhiʻa ʻai wood was valued for tool-making and the fruit was considered a food for ali'i (Hawaiian chiefs) due to its sweetness and refreshing qualities

Gardening Terms

New to gardening? Learn about terms used in this guide:

Annual Full Sun Partial Shade True Leaves

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